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Tetiana K.

Tetiana K.

QA engineer

Professional Summary Quality Assurance Manager with over 10 years of experience working in complex enterprise environments. I’ve built QA streams from scratch, setting up practical testing processes, standards, and documentation for Web, Desktop, Mobile, and Salesforce-based systems. I’ve led QA teams of 10+ people across up to six parallel projects, including data-heavy platforms within the Hadoop ecosystem. Much of my work was focused on bringing structure to chaotic setups - using solid test planning, risk management, and end-to-end integration testing to make delivery predictable. I work closely with distributed teams and stakeholders to keep engineering, product, and business aligned, helping reduce delivery risks and steadily improve overall product quality. Core Competencies 1. QA Process Design & Implementation 2. Test Strategy, Test Planning & Coverage Architecture 3. Quality Standards, Documentation & Compliance 4. Release Readiness, QA Governance & Go-Live Risk Control 5. Risk Assessment, Mitigation & Cross-System Impact Analysis 6. Team Leadership, Mentoring, Hiring & Performance Management 7. Defect Lifecycle Management & Quality Metrics 8. Collaboration with PM, Dev, BA, Product Owner, and External Vendors 9. SDLC / Agile / Scrum Methodologies 10. Data Validation, Big Data QA (Hadoop) & System Integration Testing 11. API Testing, ETL/Data Pipeline Testing 12. Salesforce QA & Workflow Validation Tools & Technologies - Test Management & Collaboration: Jira, Azure DevOps, Confluence, TestRail, Rally, G-Suite, Figma - CI/CD & Build Systems: Jenkins, TeamCity, Bitrise, Maven - API & Network Testing: Postman, SoapUI, Charles Proxy, Fiddler - Databases & Data Tools: SQL, NoSQL, MySQL, Oracle SQL Developer, SQuirreL SQL, DBeaver, MongoDB - Ecosystems (Functional Level): Salesforce, Hadoop - Cloud & Infrastructure: Microsoft Azure - Integration & Identity Management: Azure Active Directory, Okta AD (directory/data synchronization) - Automation & Scripting: Java / Groovy, Robot Framework (automated tests), Eclipse - Version Control: Git, SVN - Virtualization, Environments & Utilities: Oracle VirtualBox, BrowserStack, PuTTY, WinSCP

🇪🇸Valencia, Spain$35/hr90% JSSSince Jan 2024

Earnings and projects

MRR
$5.5k

Last 6 months ÷ 5.8 months active (since May 2026)

World#4,582 / 412k
🇪🇸Country#59 / 4,023
Revenue, last 30 days
$5.4k

Last 6 months: $32k

World#4,994 / 412k
🇪🇸Country#72 / 4,023
Total earnings
$32k

Billed in all: $35k

World#105,220 / 412k
🇪🇸Country#1,054 / 4,023
Per project
$32k

$32k in the last 6 months

World#2,487 / 412k
🇪🇸Country#45 / 4,023
Projects, last 6 months
1
0% fixed100% hourly
World#128,096 / 412k
🇪🇸Country#1,171 / 4,023
Projects in all
1
0% fixed100% hourly
World#360,675 / 412k
🇪🇸Country#3,513 / 4,023

Earnings, last 30 days

$34.9k+$5.6k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$25k$30k$35kOct 9Oct 24Nov 8

Dotted: longer than usual between two readings. Hatched: over two weeks without one.

Skill rankings: #1 in 1 skill of 15

Rarest: top 0.76% in Bug Reports, of 659. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Test Artifacts12 freelancers · 🇪🇸 #1Top 8%
  2. #4Document Analysis294 freelancers · 🇪🇸 #1Top 1%
  3. #5Bug Reports659 freelancers · 🇪🇸 #1Top 0.76%
  4. #5Test Management192 freelancers · 🇪🇸 #1Top 3%
  5. #7Risk Management794 freelancers · 🇪🇸 #1Top 0.88%
  6. #7Mobile QA378 freelancers · 🇪🇸 #1Top 2%
  7. #8User Acceptance Testing659 freelancers · 🇪🇸 #1Top 1%
  8. #12Test Case Design957 freelancers · 🇪🇸 #1Top 1%